A:too; to
B:so; that
C:such; that
D:enough; to
—Let's ask Dick for help. He can _________a good idea to solve your problem.
在方形暗箱的右侧开一小窗,暗箱外的右侧有一固定光源,在暗箱内放一盆幼苗,花盆能随着下面的旋转器水平匀速旋转,但暗箱不转,一周后,幼苗的生长状况应为( )
设函数f(x)=sin(2x+φ)(﹣π<φ<0),y=f(x)图象的一条对称轴是直线x=π8.
(Ⅰ)求φ;
(Ⅱ)求函数y=f(x)的单调增区间.